China 4j32 Expansion Alloy Plate Super-Invar Alloy Plate

Snper-Invar alloy plate 4j43 Low Expansion Alloy
4 j32 is also called the Super - Invar alloy.In 60 ~ 80 temperature range, low expansion coefficient, the alloy is mainly used in the manufacture of requirements in the environmental temperature change range size high precision instrument parts.Application and special requirements
4 j32 alloy is typical of low expansion alloy, via air factory use for a long time, stable performance.Mainly used in the manufacture of highly accurate within the scope of environmental temperature change size precision components.In use should be strictly controlled heat treatment process and processing technology, according to the using temperature must be strictly check the organization stability.Chemical Composition in %, InvarbrandChemical compositionNiMnCoCuFeCPSiS≤4j3231.5~33.00.20~0.603.2~4.20.4~0~0.80Bal0.050.020.020.02
Basic physical constants and mechanical properties of the alloy:
Density: γ = 8,1 g / cm3;
Electric resistivity: ρ = 0,77 ohm mm2 ? / m;
The temperature of the Curie point: Θs = 220 ° C;
Typical expansion character(10 -6 / ºC )Temperature range20~6020~5020~10020~15020~20020~25020~30020~40020~50020~600Expansion coefficient-0.900.50.91.42.03.24.97.79.610.8
Varieties Steel typeSpecifications
mmPrecision
alloyResistance Alloys for electrical heatingSuper alloyWelding wireCorrosion resistant
alloyRodshot rolling rodsΦ8~38mmavailableavailableavailableCold-drawn rods≤50mmavailableavailableavailableForged rodsΦ38~350mmavailableavailableavailableWiresRound wiresΦ0.3~8mmavailableavailableavailableavailableavailableNon-circle wiresNegotiationavailableavailableavailableStripsCoNon Woven Bag ld rolling0.15~4x200mmavailableavailableavailableavailableHot rolling4~22x200mmavailableavailableavailableavailablePlatesCold rolling0.5~4x1000x2000mmavaiEngraving Machine lableavailableavailableHot rolling4~22x1000&timeUniversal Hardware Parts s;2000mmavailableavailableavailabletubesElectronic Instrument Φ4~63x0.5~5mmIndustrial Equipment & Components availableavailableExecutive standard: GB, GJB, HB, YB, ASTM, AMSE, negotiation and so on.